{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["GENE"], "input": "Northern analysis of RNA samples isolated from ammonium - grown cultures of the ntcA mutant showed reduced amounts of glnA message and the absence of a 1 . 7 - kb transcript ."}
{"GENE": ["ntcA mutant", "glnA message"]}